Home / 13,126,872.40-19,690,308.56-3,542,235.52

Finding the Fourth Proportional to 13,126,872.40, 19,690,308.56 and 3,542,235.52

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Solution

The fourth proportional to 13,126,872.40, 19,690,308.56 and 3,542,235.52 is: 5,313,353.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,126,872.40 : 19,690,308.56 = 3,542,235.52 : x
  2. Step 2: Convert to fraction form
    13,126,872.40/19,690,308.56 = 3,542,235.52/x
  3. Step 3: Cross multiply
    13,126,872.40x = 19,690,308.56 × 3,542,235.52
  4. Step 4: Simplify right side
    13,126,872.40x = 69,747,710,380,992.05
  5. Step 5: Solve for x
    x = 69,747,710,380,992.05/13,126,872.40
  6. Step 6: Final answer
    x = 5,313,353.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.